Question

Find the LCM of the $15,35,145$ by prime factorisation method?

Answer 1

Finding LCM of $15,35,145$ by prime factorisation method

Prime number: Prime numbers are natural numbers that are divided by only one and itself.

Example: $2,3,5,7,11,13,17,19$ etc

LCM: Least common multiple, which are exactly divisible by each of the given numbers.

To find prime factors of $15,35,145$ we can use the long division method.

LCM$\left(15,35,145\right)=5\times 3\times 7\times 29$

Therefore, LCM$\left(15,35,145\right)=3045$